diff --git a/classes/handler.php b/classes/handler.php
index 6ed9da7..b1ae2dc 100644
--- a/classes/handler.php
+++ b/classes/handler.php
@@ -86,6 +86,10 @@ private static function handler_callback($data, $callback) {
                     $data["token"] = $callback->token;
                 }
 
+                if (!empty($callback->other)) {
+                    $data["extra"] = $callback->other;
+                }
+
                 self::send($data, $callback);
             }
         }